| Dave Atkinson Joinery Limited | Construction | 2010 |
| Dcrb Limited | Professional & scientific | 2008 |
| DCT Building Limited | Construction | 2022 |
| DDL UXO Limited | Public administration | 2021 |
| Delmere Limited | Other services | 2023 |
| Delta Security Systems Limited | Professional & scientific | 2007 |
| Deluxe Electrical Services Ltd | Construction | 2021 |
| Desforges Holdings Limited | Financial services | 2021 |
| Diamond Scaffolding (2024) Limited | Construction | 2024 |
| Diamond Scaffolding (UK) Limited | Construction | 2025 |
| DJ64 Limited | Hospitality | 2025 |
| DKT Engineering Solutions Limited | Professional & scientific | 2017 |
| DMI Properties (Hull) Limited | Construction | 2013 |
| DN Fabrications Limited | Manufacturing | 2019 |
| Dorado's 2020 Limited | Hospitality | 2020 |
| Dorados (Yorkshire) Limited | Hospitality | 2014 |
| Dragonfire Holding Limited | Professional & scientific | 2015 |
| Dunston (Electrical Services) Limited | Extraterritorial | 2009 |
| Dunston (Ship Repairs) Limited | Manufacturing | 2001 |
| East Riding Legal Limited | Professional & scientific | 2015 |
| Eaton Trading Ltd | Professional & scientific | 2018 |
| Ebo's Trim'Z Limited | Other services | 2024 |
| ECA Property Surveys Ltd | Professional & scientific | 2017 |
| Eco Heart Living Limited | Wholesale & retail | 2020 |
| Elecvent Limited | Professional & scientific | 2016 |
| Elmo Services Limited | Construction | 2017 |
| Engineering & Lifting Services Limited | Wholesale & retail | 1985 |
| Engineering GPT Limited | Professional & scientific | 2022 |
| Eops (UK) Limited | Professional & scientific | 2013 |
| ESP Systex Holdings Limited | Professional & scientific | 2010 |
| ESP Systex Limited | Information & communication | 1981 |
| Ethan JP Properties Ltd | Real estate | 2021 |
| Eznat Ltd | Professional & scientific | 2010 |
| Fallon Property Developments Ltd | Real estate | 2019 |
| Fastreact Limited | Construction | 2010 |
| Fbrus Limited | Real estate | 2020 |
| Fiesta Mexicana Limited | Hospitality | 2024 |
| First Class Cleaning (UK) Limited | Professional & scientific | 2013 |
| Floor Painters Limited | Construction | 2008 |
| Fluxhub Ltd | Health & social care | 2024 |
| Frazer Courier Services Ltd | Transport & logistics | 2013 |
| G & C Professionals Ltd | Professional & scientific | 1996 |
| G & C Services Limited | Professional & scientific | 1996 |
| G&A Property Investors Ltd | Real estate | 2025 |
| Galaxy Kitchen Bedroom & Bathroom Limited | Construction | 2017 |
| Galegate Limited | Education | 2010 |
| Gary Alden Butchers Limited | Wholesale & retail | 2009 |
| Gateway Advisers (Bond 31) Limited | Administrative & support | 2009 |
| Gateway Advisers (Corporate Secretariat) Limited | Professional & scientific | 2007 |
| Gateway Advisers (Corporate Services) Limited | Professional & scientific | 2025 |
| Gateway Advisers (NR2) Limited | Professional & scientific | 2011 |
| Gateway Advisers (Treasury) Limited | Professional & scientific | 2007 |
| Gemsbok Group Holdings Limited | Real estate | 2019 |
| Gill Associates Ltd | Real estate | 2003 |
| Godfather Beverley (2020) Limited | Hospitality | 2020 |
| Godfather Driffield Limited | Hospitality | 2023 |
| Grads Limited | Professional & scientific | 2016 |
| Green Lizard Wood Limited | Education | 2025 |
| Growth Trading Ltd | Other services | 2017 |
| Growth Trading Properties Limited | Real estate | 2018 |
| GWA Claims Limited | Professional & scientific | 2007 |
| Habitat Aquatics Ltd | Other services | 2023 |
| Hairdressing Barber Supplies Limited | Wholesale & retail | 2019 |
| Hallmark Legal Services Limited | Professional & scientific | 2008 |
| Hannah Robinson Limited | Administrative & support | 2021 |
| Haromex Components Limited | Wholesale & retail | 2009 |
| Hibbs Property Development Ltd | Real estate | 2022 |
| High Temperature Adhesives Limited | Construction | 2012 |
| Hilltop Community Equestrian Centre Limited | Extraterritorial | 2008 |
| HOE & Wilson Group Limited | Financial services | 2019 |
| Hosefix Hydraulics Limited | Manufacturing | 2012 |
| Hosefix Technical Services Limited | Construction | 2021 |
| HU1 Parking and Storage Limited | Hospitality | 2022 |
| Huddle Property Services Limited | Construction | 2019 |
| Hudson Anderson | | 1988 |
| Hull and East Yorkshire Local Enterprise Partnership Ltd | Administrative & support | 2012 |
| Hull Blast,Paint and Powder Coating Ltd | Manufacturing | 2020 |
| Hull Cartridge Company Limited | Manufacturing | 1984 |
| Hull District Heating Limited | Construction | 2024 |
| Hull Energy Holdings Limited | Financial services | 2024 |
| Hull Foodbank | Health & social care | 2011 |
| Hull Home and Garden Solutions Limited | Other services | 2020 |
| Hull Windscreens Limited | Wholesale & retail | 2020 |
| Humber Marine Enterprises Ltd | Manufacturing | 2024 |
| Humber Street Gym Limited | Other services | 2018 |
| Humberside Wargames C.I.C. | Arts & recreation | 2024 |
| I Buy Properties 247 Limited | Real estate | 2019 |
| Industrial Cogen Solutions Limited | Professional & scientific | 2020 |
| Insight Architecture Limited | Information & communication | 2019 |
| Instco Limited | Manufacturing | 2004 |
| J & B Property Letting Ltd | Financial services | 2021 |
| J Croft Properties Ltd | Real estate | 2023 |
| J Dimberline Limited | Construction | 2017 |
| Jackman Haulage Limited | Transport & logistics | 2023 |
| JAH Locums Ltd | Professional & scientific | 2022 |
| Jayellahtinjasenflorin Limited | Health & social care | 2015 |
| Jealtram Ltd | Other services | 2023 |
| JJ Glassby Limited | Health & social care | 2015 |
| JLN Holdings Limited | Financial services | 2018 |
| Jonwindows Improvements Limited | Manufacturing | 1984 |